ce188d4d |
1 | /* libFLAC - Free Lossless Audio Codec library |
2 | * Copyright (C) 2001-2009 Josh Coalson |
3 | * Copyright (C) 2011-2016 Xiph.Org Foundation |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * |
12 | * - Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * - Neither the name of the Xiph.org Foundation nor the names of its |
17 | * contributors may be used to endorse or promote products derived from |
18 | * this software without specific prior written permission. |
19 | * |
20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR |
24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
31 | */ |
32 | |
33 | #ifndef FLAC__PROTECTED__STREAM_ENCODER_H |
34 | #define FLAC__PROTECTED__STREAM_ENCODER_H |
35 | |
36 | #include "FLAC/stream_encoder.h" |
37 | #if FLAC__HAS_OGG |
38 | #include "private/ogg_encoder_aspect.h" |
39 | #endif |
40 | |
41 | #ifndef FLAC__INTEGER_ONLY_LIBRARY |
42 | |
43 | #include "private/float.h" |
44 | |
45 | #define FLAC__MAX_APODIZATION_FUNCTIONS 32 |
46 | |
47 | typedef enum { |
48 | FLAC__APODIZATION_BARTLETT, |
49 | FLAC__APODIZATION_BARTLETT_HANN, |
50 | FLAC__APODIZATION_BLACKMAN, |
51 | FLAC__APODIZATION_BLACKMAN_HARRIS_4TERM_92DB_SIDELOBE, |
52 | FLAC__APODIZATION_CONNES, |
53 | FLAC__APODIZATION_FLATTOP, |
54 | FLAC__APODIZATION_GAUSS, |
55 | FLAC__APODIZATION_HAMMING, |
56 | FLAC__APODIZATION_HANN, |
57 | FLAC__APODIZATION_KAISER_BESSEL, |
58 | FLAC__APODIZATION_NUTTALL, |
59 | FLAC__APODIZATION_RECTANGLE, |
60 | FLAC__APODIZATION_TRIANGLE, |
61 | FLAC__APODIZATION_TUKEY, |
62 | FLAC__APODIZATION_PARTIAL_TUKEY, |
63 | FLAC__APODIZATION_PUNCHOUT_TUKEY, |
64 | FLAC__APODIZATION_WELCH |
65 | } FLAC__ApodizationFunction; |
66 | |
67 | typedef struct { |
68 | FLAC__ApodizationFunction type; |
69 | union { |
70 | struct { |
71 | FLAC__real stddev; |
72 | } gauss; |
73 | struct { |
74 | FLAC__real p; |
75 | } tukey; |
76 | struct { |
77 | FLAC__real p; |
78 | FLAC__real start; |
79 | FLAC__real end; |
80 | } multiple_tukey; |
81 | } parameters; |
82 | } FLAC__ApodizationSpecification; |
83 | |
84 | #endif // #ifndef FLAC__INTEGER_ONLY_LIBRARY |
85 | |
86 | typedef struct FLAC__StreamEncoderProtected { |
87 | FLAC__StreamEncoderState state; |
88 | FLAC__bool verify; |
89 | FLAC__bool streamable_subset; |
90 | FLAC__bool do_md5; |
91 | FLAC__bool do_mid_side_stereo; |
92 | FLAC__bool loose_mid_side_stereo; |
93 | unsigned channels; |
94 | unsigned bits_per_sample; |
95 | unsigned sample_rate; |
96 | unsigned blocksize; |
97 | #ifndef FLAC__INTEGER_ONLY_LIBRARY |
98 | unsigned num_apodizations; |
99 | FLAC__ApodizationSpecification apodizations[FLAC__MAX_APODIZATION_FUNCTIONS]; |
100 | #endif |
101 | unsigned max_lpc_order; |
102 | unsigned qlp_coeff_precision; |
103 | FLAC__bool do_qlp_coeff_prec_search; |
104 | FLAC__bool do_exhaustive_model_search; |
105 | FLAC__bool do_escape_coding; |
106 | unsigned min_residual_partition_order; |
107 | unsigned max_residual_partition_order; |
108 | unsigned rice_parameter_search_dist; |
109 | FLAC__uint64 total_samples_estimate; |
110 | FLAC__StreamMetadata **metadata; |
111 | unsigned num_metadata_blocks; |
112 | FLAC__uint64 streaminfo_offset, seektable_offset, audio_offset; |
113 | #if FLAC__HAS_OGG |
114 | FLAC__OggEncoderAspect ogg_encoder_aspect; |
115 | #endif |
116 | } FLAC__StreamEncoderProtected; |
117 | |
118 | #endif |